Perhaps you should try some spelling variations:
thieu manh » hieu manh, tien manh, trieu minh
hanh trinh » canh tranh, hanh chinh
cong quang » luong quang, thong quang, duong quang
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
cong lang » cong vang, cong luong, cong ngang
toan cao » toan tap
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu manh - hanh trinh cua nhung ((cong lang) OR (cong quang)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu manh - hanh trinh cua nhung ((cong lang) OR (cong quang)) ((toan cao) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu manh - hanh trinh cua nhung ((cong lang) OR (cong quang)) ((toan cao) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: toc thieu manh - hanh trinh cua nhung ((cong lang) OR (cong quang)) ((toan cao) or (toan ban))*.